8113960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 18433800

約数和(自身を除く): 10319840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1861, 2180, 3722, 4360, 7444, 9305, 14888, 18610, 37220, 74440, 202849, 405698, 811396, 1014245, 1622792, 2028490, 4056980, 8113960]

約数ペア:

[(1, 8113960), (2, 4056980), (4, 2028490), (5, 1622792), (8, 1014245), (10, 811396), (20, 405698), (40, 202849), (109, 74440), (218, 37220), (436, 18610), (545, 14888), (872, 9305), (1090, 7444), (1861, 4360), (2180, 3722)]